Netflix Update to Deliver Better Audio on Android With xHE-AAC Codec

Only devices running Android 9 Pie and above will support the new upgrade.

Netflix Update to Deliver Better Audio on Android With xHE-AAC Codec

Photo Credit: Reuters

Sudden volume changes could be a thing of the past with the Netflix for Android update

  • Netflix has rolled out an update that promises better sound quality
  • The xHE-AAC codec promises ‘studio quality’ sound
  • Better reliability on slow mobile data connections is also promised

Netflix is rolling out a new update that promises better audio quality on Android devices, including a fix for sudden volume changes, better sound in noisy environments, and better performance on slower mobile data connections. The company has implemented the Extended HE-AAC with MPEG-D DRC (xHE-AAC) audio codec on its streaming platform for Android mobile devices running Android 9 Pie and newer software. Although the technical aspects behind the change are quite complicated, the simplest way to explain the change is that Netflix is now promising "studio-quality audio" to go with its already excellent video content on Android devices.

Netflix has listed all of the changes brought about by the xHE-AAC audio codec in detail in a blog post. A key change that will make a difference to users across the world but particularly in India is the variable bitrate for audio streaming. This means that the codec will be able to adapt to the quality of the Internet connection; slower mobile data connections will see the stream scale back a bit to adjust, while maintaining some level of sound quality.

Additionally, all of this could mean that you'll be able to watch Netflix movies and TV shows using your smartphone's speakers — that is, without headphones — and still be able to hear dialogues and other sounds intelligibly even in noisy environments. The Netflix update will also offer a solution for the issue of sudden volume changes that often have users rushing to grab either the volume button or headphones to avoid disturbing others in the household.

The new upgrade is the latest in Netflix's efforts to offer high-quality video and audio on its streaming platform. While some of its picture technologies such as Dolby Vision and Dolby Atmos require supporting hardware and fast Internet connections to work, small tweaks such as xHE-AAC will enable improvements even at the most basic level, especially for users who rely on slower mobile data connections as is common in India.

Can Netflix force Bollywood to reinvent itself? We discussed this on Orbital, our weekly technology podcast, which you can subscribe to via Apple Podcasts or RSS, download the episode, or just hit the play button below.


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Ali Pardiwala writes about audio and video devices for Gadgets 360 out of Mumbai, and has covered the industry for a decade now. Ali is a Senior Reviewer for Gadgets 360, where he has regularly written about televisions, home entertainment, and mobile gaming as well. He is a firm believer in 4K and HDR on televisions, and believes that true wireless earphones are the future of the personal audio industry. Ali is available on Twitter as @AliusPardius and on email at, so do send in ...More
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